Cirsium andrewsiiとは 意味・読み方・使い方

Cirsium andrewsii is an uncommon species of thistle known by the common name Franciscan thistle. It is endemic to California, where it is known only from the coastline of the San Francisco Bay Area from Marin to San Mateo Counties. It grows in coastal habitat such as sea bluffs and canyons, and is sometimes found on serpentine soils. This native thistle is biennial to perennial, producing an erect, leafy stem which can reach two meters in height. It is highly branched, dense to clumpy, fleshy, and cobwebby with fibers, especially when new.